assertTrue("addNode() returned null",rchan!=null);
nchan.setId(rchan.getId());
assertEquals("comparing the original and addNode() result: ",nchan,rchan);
// do a get
IUserLayoutNodeDescription gnode=man.getNode(nchan.getId());
assertEquals("comparing the original and getNode() result: ",nchan,gnode);
assertEquals("parentId is the specified attachment point",parentId,man.getParentId(nchan.getId()));
assertEquals("siblingId is the specified next sibling",siblingId,man.getNextSiblingId(nchan.getId()));
assertTrue("nodeAdded event received",nodeAdded);